violence in afghanistan continues. an official says at least 19 people have died in the southern part of the country, where three suicide attackers blew up a vehicles packed with explosives. the taliban have claimed responsibility for the attacks. there were 19 people killed. among them, pbc says, was one of its reporters, -- bbc says, was one of its reporters, a 25-year- old person who has been with the agency since 2008. those are some headlines from c- span radio. >> ann coulter has something to say. sunday, august 7, your chance to talk to, at emailed adn -- your chance to e-mail i and tweet the best-selling author. this weekend, on american history tv on a c-span3, the national portrait gallery celebrates modeled reagan's birthday -- ronald reagan's birthday. then, a stanford university professor, the great migration. we will be in charleston, south carolina, as we look at the city's history, including a talk on the role of the city during the american revolution. get a complete weekend schedule on c-span.org/hist